The incidence of transmissible drug resistance factors among strains of Escherichia coli in the Pretoria area.
D000667:Ampicillin / Q000494:pharmacology*; D002701:Chloramphenicol / Q000494:pharmacology*; D004926:Escherichia coli; D004927:Escherichia coli Infections; D006801:Humans; D010403:Penicillin Resistance; D013019:South Africa; D013307:Streptomycin / Q000494:pharmacology*; D013449:Sulfonamides / Q000494:pharmacology*; D013752:Tetracycline / Q000494:pharmacology*
D013449:Sulfonamides; D002701:Chloramphenicol; D000667:Ampicillin; D013752:Tetracycline; D013307:Streptomycin